Wire controller and system with refrigerant leakage protection

Abstract

The utility model discloses a wire controller with refrigerant leakage protection and a system. The wire controller comprises a master control module, a display module, a communication module and an early warning module. The main control module comprises a main control chip and a refrigerant leakage protection circuit, the input end of the refrigerant leakage protection circuit is connected with the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected with the communication module; the early warning module is connected with the second output end of the main control chip; the display module is connected with a third output end of the main control chip; the first end of the communication module is electrically connected with the main control chip, and the second end is in communication connection with an air conditioner. Power-off protection and early warning can be carried out on refrigerant leakage in time, safety problems are reduced, and the device can be widely applied to the technical field of wire controllers.

Description

Technical Field

[0001] The utility model relates to the technical field of wire controllers, and in particular to a wire controller and a system with refrigerant leakage protection. Background Art

[0002] At present, air conditioning has become one of the indispensable household appliances for people. Refrigerant plays an important role in the operation of air conditioning system, which is used to transfer heat energy, produce refrigeration effect and realize the function of air conditioning system.

[0003] In the prior art, when refrigerant leakage occurs during the operation of the air-conditioning system, timely power-off protection and early warning cannot be performed, which easily causes safety problems. Utility Model Content

[0004] In view of this, the purpose of the embodiments of the utility model is to provide a wire controller and system with refrigerant leakage protection, which can timely perform power-off protection and early warning for refrigerant leakage, thereby reducing the occurrence of safety problems.

[0005] In a first aspect, an embodiment of the utility model provides a wire controller with refrigerant leakage protection, comprising a main control module, a display module, a communication module and an early warning module;

[0006] The main control module includes a main control chip and a refrigerant leakage protection circuit, wherein the input end of the refrigerant leakage protection circuit is connected to the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected to the communication module;

[0007] The early warning module is connected to the second output terminal of the main control chip and is used to receive early warning information from the main control chip and then issue an audible and / or optical early warning;

[0008] The display module is connected to the third output terminal of the main control chip;

[0009] The communication module has a first end electrically connected to the main control chip and a second end communicatively connected to the air conditioning device.

[0010] Optionally, the main control chip includes a chip R5F5651CDDFB.

[0011] Optionally, the refrigerant leakage protection circuit includes a first transistor, an optocoupler relay and a varistor, the second end of the first transistor is connected to the first end of the optocoupler relay, the first end of the first transistor is connected to the first output end of the main control chip, the third end of the first transistor is grounded, the second end of the optocoupler relay is connected to the varistor, and the varistor is connected to the communication module.

[0012] Optionally, the early warning module includes a power supply unit and an early warning unit, the power supply unit is connected to the early warning unit, the early warning unit is connected to the second output end of the main control chip, and the early warning unit is used to perform sound and / or light early warning after receiving the early warning information of the main control chip.

[0013] Optionally, the power supply unit includes a second transistor, a third transistor, a first resistor and a second resistor, the second end of the second transistor is connected to the first end of the first resistor, the first end of the second transistor is connected to the main control chip, the third end of the second transistor is grounded, the second end of the first resistor is respectively connected to the first end of the second resistor and the first end of the third transistor, the second end of the third transistor is connected to a DC power supply, the third end of the third transistor is connected to the early warning unit, and the second end of the second resistor is connected to the DC power supply.

[0014] Optionally, the early warning unit includes a fourth transistor, a buzzer and a fifth transistor, the first end of the fourth transistor is connected to the main control chip, the second end of the fourth transistor is connected to the first end of the buzzer, the third end of the fourth transistor is grounded, the first end of the fifth transistor is connected to the main control chip, the second end of the fifth transistor is connected to the second end of the buzzer, and the third end of the fifth transistor is grounded.

[0015] Optionally, the early warning unit also includes a first rectifier tube and a second rectifier tube, the first end of the first rectifier tube is connected to the second end of the fourth transistor, the second end of the first rectifier tube is grounded, the first end of the second rectifier tube is respectively connected to the second end of the first rectifier tube and the second end of the fifth transistor, and the second end of the second rectifier tube is grounded.

[0016] Optionally, the communication module includes a Bluetooth communication chip and a Bluetooth communication chip peripheral circuit.

[0017] Optionally, the wire controller further includes a clock module, and the clock module is connected to the main control chip.

[0018] In a second aspect, an embodiment of the utility model provides a wired controller system with refrigerant leakage protection, comprising the above-mentioned wired controller and an air-conditioning device, wherein the air-conditioning device is wirelessly connected to the wired controller.

[0019] The implementation of the utility model embodiment includes the following beneficial effects: The utility model embodiment provides a wire controller with refrigerant leakage protection, including: a main control module, a display module, a communication module and an early warning module; the main control module includes a main control chip and a refrigerant leakage protection circuit, the input end of the refrigerant leakage protection circuit is connected to the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected to the communication module; the early warning module is connected to the second output end of the main control chip, and is used to receive the early warning information of the main control chip and then give a sound and / or light early warning; the display module is connected to the third output end of the main control chip; the communication module has a first end electrically connected to the main control chip and a second end connected to the air conditioner for communication. The communication module sends the refrigerant leakage information of the air conditioner to the main control chip, and the main control chip outputs an electrical signal to the communication module through the refrigerant leakage protection circuit. After the communication module sends the electrical signal to the air conditioner, it drives the air conditioner to stop running and perform power-off protection, and gives an early warning through the early warning module, so that power-off protection and early warning can be performed in time for refrigerant leakage, reducing the occurrence of safety problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural block diagram of a wire controller with refrigerant leakage protection provided by an embodiment of the utility model;

[0021] Figure 2 This is a circuit schematic diagram of the main control chip provided by the embodiment of the utility model;

[0022] Figure 3 It is a circuit schematic diagram of a refrigerant leakage protection circuit provided by an embodiment of the utility model;

[0023] Figure 4 It is a circuit schematic diagram of the early warning module provided by the embodiment of the utility model;

[0024] Figure 5 It is a circuit schematic diagram of a communication module provided by an embodiment of the utility model;

[0025] Figure 6 It is a circuit schematic diagram of a clock module provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0028] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, unless otherwise specified, "plurality" means two or more.

[0029] First, refer to Figure 1 , the embodiment of the utility model provides a wire controller with refrigerant leakage protection, including a main control module, a display module, a communication module and an early warning module;

[0030] The main control module includes a main control chip and a refrigerant leakage protection circuit, wherein the input end of the refrigerant leakage protection circuit is connected to the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected to the communication module;

[0031] The early warning module is connected to the second output terminal of the main control chip and is used to receive early warning information from the main control chip and then issue an audible and / or optical early warning;

[0032] The display module is connected to the third output terminal of the main control chip;

[0033] The communication module has a first end electrically connected to the main control chip and a second end communicatively connected to the air conditioning device.

[0034] It should be noted that the control method of the main control module adopts the existing control method.

[0035] Specifically, when a refrigerant leak occurs in the air-conditioning device, the leakage information is obtained through the sensor installed in the air-conditioning device, and the leakage information is sent to the main control chip through the communication module. After receiving the leakage information, the main control chip generates a corresponding electrical signal to the refrigerant leakage protection circuit. The refrigerant leakage protection circuit generates a corresponding driving electrical signal and sends it to the air-conditioning device through the communication module, thereby driving the air-conditioning device to stop running and driving the power-off switch in the air-conditioning device to cut off the power to protect the air-conditioning device. The main control chip also outputs corresponding warning information to the warning module. The warning module reminds the user to take timely action through sound and / or light warnings. The main control chip generates corresponding display information to the display module, and the display unit displays the display information, which specifically includes the refrigerant leakage information, temperature, working status, air temperature and humidity, date, etc. of the air-conditioning device, which are not limited here. By displaying the corresponding refrigerant leakage information, leakage reminders are made in a timely manner.

[0036] In some optional real-time examples, the refrigerant leakage protection circuit includes a first transistor, an optocoupler relay and a varistor, the second end of the first transistor is connected to the first end of the optocoupler relay, the first end of the first transistor is connected to the first output end of the main control chip, the third end of the first transistor is grounded, the second end of the optocoupler relay is connected to the varistor, and the varistor is connected to the communication module.

[0037] Specifically, refer to Figure 2-3 The refrigerant leakage protection circuit includes a first transistor Q7, an optocoupler relay PRY1 and a varistor ZNR1. The first end (Q7_BASE) of the first transistor Q7 is connected to the first output end (pin 32, Q7_BASE) of the main control chip R5F5651CDDFB. The main control chip R5F5651CDDFB transmits an electrical signal to the first end (Q7_BASE) of the first transistor Q7. The first transistor Q7 amplifies the electrical signal and passes through the second end (pin 3) of the first transistor Q7. The DC voltage 3.3V is matched through the resistor R66 to provide power for the optocoupler relay; the light-emitting diode on the optocoupler relay PRY1 emits corresponding light, thereby responding to the electromagnetic relay to generate a corresponding driving electrical signal, and the signal is input to CN8 after voltage stabilization and filtering through the varistor ZNR1, and then input to the communication module through CN8 for communication. The communication module sends the driving electrical signal to the air-conditioning device, drives the air-conditioning device to stop running, and drives the power-off switch to power off and protect the air-conditioning device.

[0038] In some optional embodiments, the early warning module includes a power supply unit and an early warning unit, the power supply unit is connected to the early warning unit, the early warning unit is connected to the second output end of the main control chip, and the early warning unit is used to perform sound and / or light early warning after receiving the early warning information of the main control chip.

[0039] In some optional embodiments, the power supply unit includes a second transistor, a third transistor, a first resistor and a second resistor, the second end of the second transistor is connected to the first end of the first resistor, the first end of the second transistor is connected to the main control chip, the third end of the second transistor is grounded, the second end of the first resistor is respectively connected to the first end of the second resistor and the first end of the third transistor, the second end of the third transistor is connected to a DC power supply, the third end of the third transistor is connected to the early warning unit, and the second end of the second resistor is connected to the DC power supply.

[0040] Specifically, refer to Figure 4 The power supply unit includes a second transistor Q18, a third transistor Q20, a first resistor R251 and a second resistor R252. The first end (Q18_BASE) of the second transistor Q18 is connected to the pin 89 (Q18_BASE) of the main control chip R5F5651CDDFB. When the main control chip R5F5651CDDFB receives the refrigerant leakage information, the pin 89 (Q18_BASE) of the main control chip R5F5651CDDFB outputs a corresponding electrical signal to the first end (Q18_BASE) of the second transistor Q18, thereby turning on the second transistor Q18 to obtain a first-stage amplified electrical signal. The second end of the second transistor Q18 amplifies the first-stage amplified electrical signal again through the first resistor R251, the second resistor R252 and the third transistor Q20 to obtain a second-stage amplified electrical signal, and turns on the third transistor Q20. The third end of the third transistor Q20 inputs the second-stage amplified electrical signal to the early warning unit to provide a driving power supply for the early warning unit.

[0041] In some optional embodiments, the early warning unit includes a fourth transistor, a buzzer and a fifth transistor, the first end of the fourth transistor is connected to the main control chip, the second end of the fourth transistor is connected to the first end of the buzzer, the third end of the fourth transistor is grounded, the first end of the fifth transistor is connected to the main control chip, the second end of the fifth transistor is connected to the second end of the buzzer, and the third end of the fifth transistor is grounded.

[0042] Specifically, refer to Figure 4The warning unit includes a fourth transistor Q5, a buzzer BZ2 and a fifth transistor Q6, which is connected to the pin 124 (Q5_BASE) of the main control chip R5F5651CDDFB through the first end (Q5_BASE) of the fourth transistor Q5. When the main control chip R5F5651CDDFB receives the refrigerant leakage information, the pin 124 (Q5_BASE) of the main control chip R5F5651CDDFB outputs the corresponding positive electrical signal to the first end (Q5_BASE) of the fourth transistor Q5, and the fourth transistor Q5 amplifies the positive electrical signal and inputs it to the buzzer. The device BZ2 is connected to the pin 125 (Q6_BASE) of the main control chip R5F5651CDDFB through the first end (Q6_BASE) of the fifth transistor Q6. When the main control chip R5F5651CDDFB receives the refrigerant leakage information, the pin 125 (Q6_BASE) of the main control chip R5F5651CDDFB outputs the corresponding negative electrical signal to the first end (Q6_BASE) of the fifth transistor Q6. The fifth transistor Q6 amplifies the negative electrical signal and inputs it to the buzzer BZ2, thereby driving the buzzer BZ2, and the buzzer sounds an alarm.

[0043] In some optional embodiments, the early warning unit also includes a first rectifier tube and a second rectifier tube, the first end of the first rectifier tube is connected to the second end of the fourth transistor, the second end of the first rectifier tube is grounded, the first end of the second rectifier tube is respectively connected to the second end of the first rectifier tube and the second end of the fifth transistor, and the second end of the second rectifier tube is grounded.

[0044] Specifically, refer to Figure 4 The first end of the first rectifier tube D14 is connected to the second end of the fourth transistor Q5, and the ripple in the positive electrode electrical signal amplified by the fourth transistor Q5 is rectified and filtered. The second end of the first rectifier tube D4 is grounded. The first end of the second rectifier tube D15 is respectively connected to the second end of the first rectifier tube D14 and the second end of the fifth transistor Q6, and the negative electrode electrical signal amplified by the fifth transistor Q6 is rectified and filtered. The second end of the second rectifier tube D15 is grounded, and further filtered through the resistor R65. This prevents interference from ripple voltage.

[0045] In some optional embodiments, the communication module includes a Bluetooth communication chip and a Bluetooth communication chip peripheral circuit.

[0046] Specifically, refer to Figure 5, the Bluetooth communication circuit includes a chip EYSHSNZWZ, and pins 17 and 16 of the chip EYSHSNZWZ are connected to CN9, and the Bluetooth data is sent to the air conditioning device and the feedback information of the receiving control device and the leakage information of the refrigerant leakage sensor through CN9. CN8 of the refrigerant leakage protection circuit is connected to CN9, and the driving electrical signal is sent to the Bluetooth communication module through CN9 for communication. Pin 2 of the chip EYSHSNZWZ is connected to pin 128 of the main control core R5F5651CDDFB, and pin 3 of the chip EYSHSNZWZ is connected to pin 127 of the main control core R5F5651CDDFB, so as to communicate with the main control chip. The crystal oscillator X3 generates a corresponding clock signal through capacitors C151 and C152. The power supply noise is filtered through capacitors C159, C154, C155 and resistor R201.

[0047] In some optional embodiments, the wire controller further includes a clock module, and the clock module is connected to the main control chip.

[0048] Specifically, refer to Figure 6 The clock module includes a clock chip S35390, which generates a corresponding crystal oscillator signal to pins 2 and 3 of the clock chip S35390 through crystal oscillator X2, capacitors C124 and C123. The clock chip S35390 generates a corresponding clock signal, and connects pin 94 (U10_SCL) of the main control chip R5F5651CDDFB through pin 6 (U10_SCL) of the clock chip S35390, and pin 7 (U10_SDA) of the clock chip S35390 connects pin 92 (U10_SDA) of the main control chip R5F5651CDDFB, thereby sending the clock signal to the main control chip and saving the time after the main control chip is powered off. The power supply is matched through resistors R151 and R152, and ripples are filtered and backflow is prevented through D12.

[0049] The implementation of the utility model embodiment includes the following beneficial effects: The utility model embodiment provides a wire controller with refrigerant leakage protection, including a main control module, a display module, a communication module and an early warning module; the main control module includes a main control chip and a refrigerant leakage protection circuit, the input end of the refrigerant leakage protection circuit is connected to the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected to the communication module; the early warning module is connected to the second output end of the main control chip, and is used to receive the early warning information of the main control chip and then give a sound and / or light early warning; the display module is connected to the third output end of the main control chip; the communication module has a first end electrically connected to the main control chip and a second end connected to the air conditioner for communication. The communication module sends the refrigerant leakage information of the air conditioner to the main control chip, and the main control chip outputs an electrical signal to the communication module through the refrigerant leakage protection circuit. After the communication module sends the electrical signal to the air conditioner, it drives the air conditioner to stop running and perform power-off protection, and gives an early warning through the early warning module, so that power-off protection and early warning can be performed in time for refrigerant leakage, reducing the occurrence of safety problems.

[0050] In a second aspect, an embodiment of the utility model provides a wired controller system with refrigerant leakage protection, comprising the above-mentioned wired controller and an air-conditioning device, wherein the air-conditioning device is wirelessly connected to the wired controller.

[0051] It can be seen that the contents of the above-mentioned wire controller embodiments are all applicable to the present system embodiments. The functions specifically implemented by the present system embodiments are the same as those of the above-mentioned wire controller embodiments, and the beneficial effects achieved are also the same as those achieved by the above-mentioned wire controller embodiments.

[0052] In the description of this specification, the description with reference to the term "in a specific embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A wire controller with refrigerant leakage protection, characterized in that: It includes main control module, display module, communication module and early warning module; The main control module includes a main control chip and a refrigerant leakage protection circuit, wherein the input end of the refrigerant leakage protection circuit is connected to the first output end of the main control chip, and the output end of the refrigerant leakage protection circuit is connected to the communication module; The early warning module is connected to the second output terminal of the main control chip and is used to receive early warning information from the main control chip and then issue an audible and / or optical early warning; The display module is connected to the third output terminal of the main control chip; The communication module has a first end electrically connected to the main control chip and a second end communicatively connected to the air conditioning device.

2. The wire controller according to claim 1, characterized in that: The main control chip includes a chip R5F5651CDDFB.

3. The wire controller with refrigerant leakage protection according to claim 1, characterized in that: The refrigerant leakage protection circuit includes a first transistor, an optocoupler relay and a varistor, the second end of the first transistor is connected to the first end of the optocoupler relay, the first end of the first transistor is connected to the first output end of the main control chip, the third end of the first transistor is grounded, the second end of the optocoupler relay is connected to the varistor, and the varistor is connected to the communication module.

4. The wire controller according to claim 1, characterized in that: The early warning module includes a power supply unit and an early warning unit, the power supply unit is connected to the early warning unit, the early warning unit is connected to the second output end of the main control chip, and the early warning unit is used to receive the early warning information of the main control chip and then perform sound and / or light early warning.

5. The wire controller according to claim 4, characterized in that: The power supply unit includes a second transistor, a third transistor, a first resistor and a second resistor, the second end of the second transistor is connected to the first end of the first resistor, the first end of the second transistor is connected to the main control chip, the third end of the second transistor is grounded, the second end of the first resistor is respectively connected to the first end of the second resistor and the first end of the third transistor, the second end of the third transistor is connected to a DC power supply, the third end of the third transistor is connected to the early warning unit, and the second end of the second resistor is connected to the DC power supply.

6. The wire controller according to claim 4, characterized in that: The early warning unit includes a fourth transistor, a buzzer and a fifth transistor, the first end of the fourth transistor is connected to the main control chip, the second end of the fourth transistor is connected to the first end of the buzzer, the third end of the fourth transistor is grounded, the first end of the fifth transistor is connected to the main control chip, the second end of the fifth transistor is connected to the second end of the buzzer, and the third end of the fifth transistor is grounded.

7. The wire controller according to claim 6, characterized in that: The early warning unit also includes a first rectifier and a second rectifier, the first end of the first rectifier is connected to the second end of the fourth transistor, the second end of the first rectifier is grounded, the first end of the second rectifier is respectively connected to the second end of the first rectifier and the second end of the fifth transistor, and the second end of the second rectifier is grounded.

8. The wire controller according to claim 1, characterized in that: The communication module includes a Bluetooth communication chip and a Bluetooth communication chip peripheral circuit.

9. The wire controller according to claim 1, characterized in that: The wire controller also includes a clock module, and the clock module is connected to the main control chip.

10. A wire controller system with refrigerant leakage protection, characterized in that: It comprises the wire controller as described in any one of claims 1 to 9 and an air conditioning device, wherein the air conditioning device is wirelessly connected to the wire controller.

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